btrd72 Posted May 2, 2017 Report Share Posted May 2, 2017 (edited) Hi Folks ! My LCD problem is solved, my E131 sd card problem seems to be solved......No I'm facing a wilba frontpanel problem... I created the attended directory tree on the SD card: - file MBSEQ_HW.V4 (Wilba's one) at the root of the SD - directory SESSIONS and DEFAULT session created via MIOS terminal Booting the MB lead me to this weird screen: G1:Unnamed G2: Unnamed G3: Unnamed G4: Unnamed NoCat 1: A1 _ _ _ _ NoCat 2: A1 _ _ _ _ NoCat 3: A1 _ _ _ _ >>> NoCat 4: A1 _ _ _ _ Typing sdcard tells me there is no MBSEQ_BM.V4 at the root. So I copied the /SESSIONS/DEFAULT MBSEQ_BM.V4 at the root of the sd and I now get this screen: MIDIbox Seq v4.092 1.1.1 /SESSIONS/DEFAULT 140.0BPM Bookmarks About this MIDIbox< Open Save SaveAs New Delete Info The About this MIDIbox< is slightly flickering on the rightmost of the left LCD display... Anyway...I'm pretty sure the wiring is correct but I can't get out of this screen, whichever button or encoder I press.... Could this non responsive frontpanel come from a badly tuned MBSEQ_HW.V4 file ? Which options have to be modified for a "traditional" wilba's frontpanel (with beat led) and no tpd setup.... Cheers, Tom. Edited May 4, 2017 by btrd72 Quote Link to comment Share on other sites More sharing options...
EsotericLabs Posted May 2, 2017 Report Share Posted May 2, 2017 In the release package, there is a dir hwcfg/wilba. The correct hw file is that one. Just to be sure., Quote Link to comment Share on other sites More sharing options...
btrd72 Posted May 2, 2017 Author Report Share Posted May 2, 2017 That's the one I uploaded via MIOS Quote Link to comment Share on other sites More sharing options...
EsotericLabs Posted May 2, 2017 Report Share Posted May 2, 2017 Well then the hw file is fine I presume. Maybe double check the cable between the core and the cs? there is a j1 and a j2 on the cs board but i guess you got that right. No shorts or bad soldering on the cs? Just tossing up options for you to check.. Quote Link to comment Share on other sites More sharing options...
Hawkeye Posted May 2, 2017 Report Share Posted May 2, 2017 Also check the shift register ICs (correct alignment and type), installing wrong or misaligned ICs might cause the behaviour you are experiencing. Please also check your resistor networks, as these are used to pull up the digital ins. Good luck! Peter Quote Link to comment Share on other sites More sharing options...
btrd72 Posted May 3, 2017 Author Report Share Posted May 3, 2017 (edited) Ok....RN solders seem fine, continuity is fine with the IC pins too.... There is continuity between all ground pins of the RN, but no continuity between RN ground pins and CS board ground....For eg, there s no continuity between C1 "negative pin" (I know C1 is not polarized but this pin is connected to IC 1 ground and thus to CS board ground) and common pin of RN1... I'd like to know if this Is this normal before soldering a cable to have continuity between RN common pins and CS board ground and potentially ruin my MB even before it has worked ! The 1 000 000 000 $£€ question is: Do all resistor network common pins have to be connected to CS board ground pin ?? Edited May 3, 2017 by btrd72 Quote Link to comment Share on other sites More sharing options...
EsotericLabs Posted May 3, 2017 Report Share Posted May 3, 2017 If I'm not mistaken, the common pins of the resistor networks are not to ground, but to Vcc (+5V) they are pull-up resistors for the digital lines. The schematic of the CS is down here. Don't solder it to ground, you might short & toast your power supply. [Want my paypal account for the 1 000 000 000 $£€? :lol: ] The MBSEQ_BM flie holds the bookmarks, I don't think it is critical. Maybe double check the PATTERN button, is there a smal short or something, is the button flakey? Your first weird screen is what you would get when pressing Pattern. Quote Link to comment Share on other sites More sharing options...
btrd72 Posted May 3, 2017 Author Report Share Posted May 3, 2017 Thanks for the schematic ! I've been looking for it over and over without finding it... Seems like none of my RN common pins are connected to 5V....Must investigate this ! Quote Link to comment Share on other sites More sharing options...
latigid on Posted May 3, 2017 Report Share Posted May 3, 2017 The question of course is whether you also used isolated networks for the CS as well as the Core? Quote Link to comment Share on other sites More sharing options...
btrd72 Posted May 3, 2017 Author Report Share Posted May 3, 2017 I used these ones: SIL 6-5 10K Quote Link to comment Share on other sites More sharing options...
btrd72 Posted May 3, 2017 Author Report Share Posted May 3, 2017 5 minutes ago, latigid on said: The question of course is whether you also used isolated networks for the CS as well as the Core? Oh and what does exactly mean "isolated network" ? Quote Link to comment Share on other sites More sharing options...
latigid on Posted May 3, 2017 Report Share Posted May 3, 2017 The ones you linked are the correct type, as long as Reichelt delivered the correct ones. There are two (well three, but dual terminator is not so common I think) types of RN, one where the pins are isolated into individual elements, the other has one common/bussed connection and are used for pull-up/down resistors. A picture = 1000 words. It can save a lot of time for those helping you troubleshoot to check if your soldering is sloppy, maybe the switches you used can be installed sideways etc. etc. Quote Link to comment Share on other sites More sharing options...
latigid on Posted May 3, 2017 Report Share Posted May 3, 2017 ... diodes could be backwards or missing... Quote Link to comment Share on other sites More sharing options...
btrd72 Posted May 3, 2017 Author Report Share Posted May 3, 2017 (edited) Resistance between common pin of the RN and each other pin is 10k. I'll double check the schematic tomorrow..and send pictures as soon as possible.. Thanks guys Edited May 3, 2017 by btrd72 Quote Link to comment Share on other sites More sharing options...
btrd72 Posted May 4, 2017 Author Report Share Posted May 4, 2017 Problem solved Guys !! Thanks for the troobleshooting ! My RN common pins were missing a 5V feed.....Now everything seems top work (well...I'll dig that in detail from now on but the Frontpanel is responsive ) Thanks again ! Quote Link to comment Share on other sites More sharing options...
latigid on Posted May 5, 2017 Report Share Posted May 5, 2017 Good that it's working. What was the exact issue for the benefit of future travellers? Backwards RNs? Quote Link to comment Share on other sites More sharing options...
ilmenator Posted May 5, 2017 Report Share Posted May 5, 2017 12 hours ago, btrd72 said: RN common pins were missing a 5V feed. Sounds like floating RN common pins to me. Quote Link to comment Share on other sites More sharing options...
btrd72 Posted May 9, 2017 Author Report Share Posted May 9, 2017 The problem was indeed that my RNs were not fed with 5V.... Thanks to all of you for helping me spotting the problem ! Everything seems to work like a charm now...Waiting for my frontpanel to buil the enclosure and send some pictures on the forum ! Cheers dudes ! Quote Link to comment Share on other sites More sharing options...
latigid on Posted May 9, 2017 Report Share Posted May 9, 2017 Great, but maybe you can be more specific? I can't see how your +5V connection was missing, apart from cold solder joints, but you said above that the soldering was fine. Quote Link to comment Share on other sites More sharing options...
Narwhal Posted September 17, 2018 Report Share Posted September 17, 2018 I'd love to get more information on what happened here and what you did to fix this +5V connection. Quote Link to comment Share on other sites More sharing options...
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